CN102431104B - Manufacturing method for glass fiber reinforced plastic pressing mould - Google Patents
Manufacturing method for glass fiber reinforced plastic pressing mould Download PDFInfo
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- CN102431104B CN102431104B CN 201110281694 CN201110281694A CN102431104B CN 102431104 B CN102431104 B CN 102431104B CN 201110281694 CN201110281694 CN 201110281694 CN 201110281694 A CN201110281694 A CN 201110281694A CN 102431104 B CN102431104 B CN 102431104B
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- 238000003825 pressing Methods 0.000 title claims abstract description 19
- 239000011152 fibreglass Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 65
- 239000011347 resin Substances 0.000 claims abstract description 65
- 239000003365 glass fiber Substances 0.000 claims abstract description 56
- 239000003513 alkali Substances 0.000 claims abstract description 39
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000001680 brushing effect Effects 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 229920006337 unsaturated polyester resin Polymers 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000005498 polishing Methods 0.000 claims description 9
- 230000008901 benefit Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 238000004018 waxing Methods 0.000 claims description 3
- 201000003373 familial cold autoinflammatory syndrome 3 Diseases 0.000 abstract 3
- 239000011505 plaster Substances 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Moulding By Coating Moulds (AREA)
Abstract
The invention provides a manufacturing method for a glass fiber reinforced plastic pressing mould. Unsaturated polyester resin and glass fibers are used as main materials for the pressing mould, and steel is used as a framework to fix the pressing mould. The manufacturing method comprises the following steps: fabricating a wood mould or a plaster mould according to product design requirements; brushing a gel coating on the waxed mould; pasting alkali-free surfacing mat, with an impregnating compound being an S-904 resin mixture; pasting alkali-free chopped strands of the glass fibers; pasting medium-alkali glass fiber plaid; pasting a plurality of layers of medium-alkali glass fiber plaid, with an impregnating compound being an S-685 resin mixture; pasting a plurality of layers of medium-alkali glass fiber plaid again, with an impregnating compound being an S-191 resin mixture, so as to finish fabrication of the glass fiber reinforced plastic pressing mould. According to needs of the mould, the framework for the mould is welded, flat steel and support are installed, and the glass fiber reinforced plastic pressing mould is fixed on the framework for the mould by using countersink bolts. According to the invention, manufacturing cost for the glass fiber reinforced plastic pressing mould is low, readjusting and remodification of the mould can be carried out, and products capable of satisfying current performance requirements for interior decorative parts for automobiles can be produced.
Description
Technical field
The present invention relates to the making of compacting tool set, particularly a kind of manufacturing method for glass fiber reinforced plastic pressing mould.
Background technology
All compacting tool sets are all the preparation methods of traditional compacting tool set of employing now, and materials are all steel, exist the Mold Making expense high, fabrication cycle is long, be difficult for carrying out adjustment again or the modification of mould, use simultaneously the compacted products that punching block is produced, the compacted products surface lacks elasticity.Use original traditional punching block, can't be used for producing the product (being mainly the processing of hemp fibre board and PVC fabric product) that satisfies present automotive upholstery performance requirement.Now the properties of product of people's to interior require more and more highlyer, require the product must environmental protection, and have high fire-retardant, sound insulation, heat-proof quality and good surface treatment.To having the materials processing of such material characteristic, punching block can't satisfy.
Summary of the invention
The object of the present invention is to provide a kind of manufacturing method for glass fiber reinforced plastic pressing mould, the method has adopted quality relatively light, the unsaturated polyester resin of handling ease and glass fibre are as the main material of mould, manufacturing cost is low, adjustment again and the modification of mould can be carried out, the product that satisfies present automotive upholstery performance requirement can be produced.
Formation of the present invention: a kind of manufacturing method for glass fiber reinforced plastic pressing mould, it is characterized in that: this mould is by unsaturated polyester resin and the glass fibre main material as mould, adopt steel as the framework fixed mould, its preparation method is: (1) makes wooden model or gypsum mold according to the designing requirement of product, former or formpiston, and evenly stamp demoulding wax;
(2) manual brushing adhesive clothing layer on the mould product after waxing, the thickness of gel coating resin is generally 0.3-0.4mm, gel coating resin needs brushing at twice, and brushing thickness is at 0.4-0.6mm, after ground floor solidifies for the first time, brush for the second time again, brushing for the second time is mainly that benefit is even, makes gel coating resin thickness more even, and thickness is at 0.5-0.8mm, then carry out polishing and polishing, make its thickness at 0.3-0.4mm;
Gel coating resin is the S-598 resin compound, and its composition is: every kilogram of S-598 resin, curing agent peroxidating ethanol 8-12ml, promoter T-8A 8-12ml;
(3) after the gel coating resin sanding and polishing, manually paste 3 layers of alkali-free surfaces felt, specification is 30g/ ㎡, and the size of employing is the S-904 resin compound, the composition of mixture: every kilogram of S-904 resin, curing agent
Peroxidating ethanol 22-27ml, promoter T-8A, 22-27ml requires to paste closely, evenly;
(4) paste 3 layers of alkali-free glass fibre chopped strand, size adopts S-904 resin blend thing equally,
When pasting every one deck alkali-free glass fibre, must wait for 20-30 minute, avoid producing high temperature;
(5) until above alkali-free glass fibre and the S-904 resin bed cooling after, more manually paste 3 layers of medium-alkali glass fibre woven roving, size is all S-904 resin blend thing, but need add the iron powder of 10-20g in every 1kg size;
(6) after 20-30 minute cool time, then paste 3 layers of medium-alkali glass fibre woven roving, size is S-904 resin blend thing, need add the iron powder of 10-20g in every 1kg size;
(7) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(8) by the previous step method, paste again 4 layers of medium-alkali glass fibre woven roving, but size changes S-685 resin blend thing into, the composition of mixture: every kilogram of S-685 resin, curing agent peroxidating ethanol 18-22ml, promoter T-8A 18-22ml, iron powder 10-20g;
(9) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(10) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(11) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(12) by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving;
(13) by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving;
(14) by the previous step method, paste again 5 layers of medium-alkali glass fibre woven roving, but size changes S-191 resin blend thing into, the composition of mixture: every kilogram of S-191 resin, curing agent peroxidating ethanol 10-15ml, promoter T-8A 8-10ml, iron powder 10-20g;
(15) by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving, so far glass fiber reinforced plastic pressing mould is completed.
According to mould needs welding-on mould fixed frame, vertical band steel and horizontal band steel are installed in the mould housing, mould stiffener, longitudinal mold inner support, transverse mold inner support are arranged on the mould housing, and glass fiber reinforced plastic pressing mould is fixed on mold frame by dormant bolt.
Compared with the prior art, the present invention has adopted quality relatively light, the unsaturated polyester resin of handling ease and glass fibre are as the main material of mould, but in order to guarantee mold use intensity, still adopt steel as the framework fixed mould, manufacturing cost of the present invention is low, can carry out adjustment again and the modification of mould, can be used for producing the product that satisfies present automotive upholstery performance requirement, be mainly the processing of hemp fibre board and PVC fabric product, make product reach environmental protection, high flame retardant, sound insulation, heat-proof quality and good surface treatment.
Description of drawings
Fig. 1 is formpiston structural representation of the present invention, and Fig. 2 is the female mould structure schematic diagram, and Fig. 3 is the A-A cutaway view of Fig. 2.
In figure 1, the mould housing, 2, vertical band steel, 3, horizontal band steel, 4, medium-alkali glass fibre woven roving and S-191 resin bed, 5, medium-alkali glass fibre woven roving and S-685 resin bed, 6, medium-alkali glass fibre woven roving and S-904 resin bed, 7, alkali-free glass fibre and S-904 resin bed, 8, S-904 resin surface felt, 9, mould stiffener, 10, the longitudinal mold inner support, 11, the transverse mold inner support, 12, dormant bolt, 13, gel coating resin.
The specific embodiment
As Figure 1-3, a kind of manufacturing method for glass fiber reinforced plastic pressing mould, this mould adopt steel as the framework fixed mould by unsaturated polyester resin and the glass fibre main material as mould, and its preparation method is:
1, make wooden model or gypsum mold (former or formpiston) according to the designing requirement of product, and evenly stamp demoulding wax.
2, manual brushing adhesive clothing layer on the mould product after waxing, the thickness of gel coating resin is generally 0.3-0.4mm.
Gel coating resin needs brushing at twice, and brushing thickness at 0.4-0.6mm, after ground floor solidifies, then is brushed for the second time for the first time, and brushing for the second time is mainly that benefit is even, makes gel coating resin thickness more even, and thickness is at 0.5-0.8mm.Then carry out polishing and polishing, make its thickness at 0.3-0.4mm.Gel coating resin mainly plays and beautifies and the anti-aging effect.Its thickness must be controlled at 0.3-0.4mm, and too thin not having beautified and the anti-aging effect, and too thick meeting reduces its toughness, can cause it to break when stressed.
(gel coating resin is the S-598 resin compound, and its composition is: every kilogram of S-598 resin, curing agent
(peroxidating ethanol) 8-12ml, promoter (T-8A) 8-12ml).
3, after the gel coating resin sanding and polishing, manually paste 3 layers of alkali-free surfaces felt (specification is 30g/ ㎡), the size of employing is the S-904 resin compound (composition of mixture: every kilogram of S-904 resin, curing agent
(peroxidating ethanol) 22-27ml, promoter (T-8A) 22-27ml require to paste closely, evenly.
The S-904 resin has high mechanical property, high chemical resistance, and high heat distortion temperature is used this resin compound and can be improved the overall performance of mould as bonding agent, strengthens its resistance to chemical attack, at high temperature keeps mould and die accuracy.
4, paste 3 layers of alkali-free glass fibre (chopped strand), size adopts S-904 resin blend thing equally, when pasting every one deck alkali-free glass fibre, must wait for 20-30 minute, avoids producing high temperature.
5, until above alkali-free glass fibre and the S-904 resin bed cooling after, more manually paste 3 layers of medium-alkali glass fibre woven roving, size is all S-904 resin blend thing, but need add the iron powder of 10-20g in every 1kg size.
6, after 20-30 minute cool time, then paste 3 layers of medium-alkali glass fibre woven roving, the same previous step of size.
7, by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving.
8, by the previous step method, paste again 4 layers of medium-alkali glass fibre woven roving, but size changes S-685 resin blend thing into, the composition of mixture: every kilogram of S-685 resin, curing agent (peroxidating ethanol) 18-22ml, promoter (T-8A) 18-22ml, iron powder 10-20g.The S-685 resin has high heat distortion temperature, and is ageing-resistant, and excellent bending property and high rigidity are used this resin as bonding agent, can allow mould keep high intensity, and the ageing-resistant ability of mould is strengthened.
9, by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving.
10, by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving.
11, by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving.
12, by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving.
13, by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving.
14, by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving, but size changes into
S-191 resin blend thing, the composition of mixture: every kilogram of S-191 resin, curing agent (peroxidating ethanol) 10-15ml, promoter (T-8A) 8-10ml, iron powder 10-20g.The S-191 resin also has high mechanical property, and shrinkage is little, the intensity advantages of higher.
15, by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving, so far fiber reinforced plastic mold is completed.
16, according to mould needs welding-on mould fixed frame, at the vertical band steel 2 of the interior installation of mould housing 1 and horizontal band steel 3, mould stiffener 9, longitudinal mold inner support 10, transverse mold inner support 11 are arranged on mould housing 1., be fixed on mold frame the previous glass fiber reinforced plastic pressing mould of making and fully solidifying with dormant bolt 12.The effect of band steel is be convenient to fiber reinforced plastic mold and mold frame fixing, and the effect of support is the structural strength of strengthening unitary mould.
Claims (2)
1. manufacturing method for glass fiber reinforced plastic pressing mould, it is characterized in that: this mould is by unsaturated polyester resin and the glass fibre main material as mould, adopt steel as the framework fixed mould, its preparation method is: (1) makes wooden model or gypsum mold according to the designing requirement of product, former or formpiston, and evenly stamp demoulding wax;
(2) manual brushing adhesive clothing layer on the mould product after waxing, the thickness of gel coating resin is 0.3-0.4mm, gel coating resin needs brushing at twice, and brushing thickness is at 0.4-0.6mm, after ground floor solidifies for the first time, brush for the second time again, brushing for the second time is mainly that benefit is even, makes gel coating resin thickness more even, and thickness is at 0.5-0.8mm, then carry out polishing and polishing, make its thickness at 0.3-0.4mm;
Gel coating resin is the S-598 resin compound, and its composition is: every kilogram of S-598 resin, curing agent peroxidating ethanol 8-12ml, promoter T-8A 8-12ml;
(3) after the gel coating resin sanding and polishing, manually paste 3 layers of alkali-free surfaces felt, specification is 30g/ ㎡, and the size of employing is the S-904 resin compound, the composition of mixture: every kilogram of S-904 resin, curing agent
Peroxidating ethanol 22-27ml, promoter T-8A, 22-27ml requires to paste closely, evenly;
(4) paste 3 layers of alkali-free glass fibre chopped strand, size adopts S-904 resin blend thing equally,
When pasting every one deck alkali-free glass fibre, must wait for 20-30 minute, avoid producing high temperature;
(5) until above alkali-free glass fibre and the S-904 resin bed cooling after, more manually paste 3 layers of medium-alkali glass fibre woven roving, size is all S-904 resin blend thing, but need add the iron powder of 10-20g in every 1kg size;
(6) after 20-30 minute cool time, then paste 3 layers of medium-alkali glass fibre woven roving, size is S-904 resin blend thing, need add the iron powder of 10-20g in every 1kg size;
(7) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(8) by the previous step method, paste again 4 layers of medium-alkali glass fibre woven roving, but size changes S-685 resin blend thing into, the composition of mixture: every kilogram of S-685 resin, curing agent peroxidating ethanol 18-22ml, promoter T-8A 18-22ml, iron powder 10-20g;
(9) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(10) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(11) by the previous step method, then paste 4 layers of medium-alkali glass fibre woven roving;
(12) by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving;
(13) by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving;
(14) by the previous step method, paste again 5 layers of medium-alkali glass fibre woven roving, but size changes S-191 resin blend thing into, the composition of mixture: every kilogram of S-191 resin, curing agent peroxidating ethanol 10-15ml, promoter T-8A 8-10ml, iron powder 10-20g;
(15) by the previous step method, then paste 5 layers of medium-alkali glass fibre woven roving, so far glass fiber reinforced plastic pressing mould is completed.
2. manufacturing method for glass fiber reinforced plastic pressing mould according to claim 1, it is characterized in that: according to mould needs welding-on mold frame, vertical band steel (2) and horizontal band steel (3) are installed in mould housing (1), mould stiffener (9), longitudinal mold inner support (10), transverse mold inner support (11) are arranged on mould housing (1), and glass fiber reinforced plastic pressing mould is fixed on mold frame by dormant bolt.
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| CN 201110281694 CN102431104B (en) | 2011-09-21 | 2011-09-21 | Manufacturing method for glass fiber reinforced plastic pressing mould |
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| CN 201110281694 CN102431104B (en) | 2011-09-21 | 2011-09-21 | Manufacturing method for glass fiber reinforced plastic pressing mould |
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| CN102431104A CN102431104A (en) | 2012-05-02 |
| CN102431104B true CN102431104B (en) | 2013-11-06 |
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